[clang] [CIR] Add value initialization for scalar types (PR #156036)

[Erich Keane via cfe-commits]

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@@ -1967,9 +1971,8 @@ mlir::Value ScalarExprEmitter::VisitInitListExpr(InitListExpr *e) {
   }
 
   if (numInitElements == 0) {
-    cgf.cgm.errorNYI(e->getSourceRange(),
-                     "InitListExpr Non VectorType with 0 init elements");
-    return {};
+    // C++11 value-initialization for the scalar.
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erichkeane wrote:

I might suggest moving the comment out of the 'if' and removing curleys.

https://github.com/llvm/llvm-project/pull/156036